Answer:
<h2>68 is the fourth number.</h2>
Step-by-step explanation:
The average of the 4 numbers is 45.
Hence, the total of the four numbers is
= 180.
The given three numbers are 24, 36, 52.
The total of the given three numbers is (24 + 36 + 52) = 112.
The fourth number will be (180 - 112) = 68.
Answer:
y=
Step-by-step explanation:

multiply both sides
8y+5=6
move the constant to the right
8y=6-5
calculate
8y=1
divide both sides
y=
or y=0.125
Answer:
S = 4
Step-by-step explanation:
Answer:
7.5 metres
Step-by-step explanation:
height : shadow
1.5 : 3
X : 15
X/15 = 1.5/3
X = 15/2
X = 7.5